PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/28-15:28:10
G02     212.6          51.0               10.3 +/-    0.53      12.8 +/-    0.53  0.060 / 0.060
G06     72.1           76.4               10.0 +/-    0.38      10.3 +/-    0.38  0.090 / 0.070
G12     318.1          35.8                8.2 +/-    1.49      12.7 +/-    1.49  0.090 / 0.120
G17     53.8           34.3                8.8 +/-    1.69      14.2 +/-    1.69  0.080 / 0.110
G19     26.9           55.7                8.5 +/-    1.47      10.0 +/-    1.47  0.030 / 0.020
G24     270.9          43.0                8.5 +/-    1.81      11.8 +/-    1.81  0.030 / 0.030
G28     118.4          18.2               10.0 +/-    1.55      23.0 +/-    1.55  0.050 / 0.050